21447396

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2797}}^1$

素因数の和:2881

約数の個数: 48

約数和(自身を含む): 56407680

約数和(自身を除く): 34960284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 2797, 3834, 5594, 7668, 8391, 11188, 16782, 25173, 33564, 50346, 75519, 100692, 151038, 198587, 302076, 397174, 595761, 794348, 1191522, 1787283, 2383044, 3574566, 5361849, 7149132, 10723698, 21447396]

約数ペア:

[(1, 21447396), (2, 10723698), (3, 7149132), (4, 5361849), (6, 3574566), (9, 2383044), (12, 1787283), (18, 1191522), (27, 794348), (36, 595761), (54, 397174), (71, 302076), (108, 198587), (142, 151038), (213, 100692), (284, 75519), (426, 50346), (639, 33564), (852, 25173), (1278, 16782), (1917, 11188), (2556, 8391), (2797, 7668), (3834, 5594)]